DE3044921C2 - - Google Patents
Info
- Publication number
- DE3044921C2 DE3044921C2 DE3044921A DE3044921A DE3044921C2 DE 3044921 C2 DE3044921 C2 DE 3044921C2 DE 3044921 A DE3044921 A DE 3044921A DE 3044921 A DE3044921 A DE 3044921A DE 3044921 C2 DE3044921 C2 DE 3044921C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- output signal
- circuit
- frequency
- level
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000011156 evaluation Methods 0.000 claims description 9
- 230000010363 phase shift Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 description 11
- 230000035945 sensitivity Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 239000010453 quartz Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15466179A JPS5676636A (en) | 1979-11-29 | 1979-11-29 | Variable oscillation circuit |
| JP8942680A JPS5714267A (en) | 1980-06-30 | 1980-06-30 | Detector for frequency difference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3044921A1 DE3044921A1 (de) | 1981-06-11 |
| DE3044921C2 true DE3044921C2 (fr) | 1991-01-31 |
Family
ID=26430847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803044921 Granted DE3044921A1 (de) | 1979-11-29 | 1980-11-28 | Schaltung zur erzeugung eines frequenzgeregelten signals |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4388596A (fr) |
| AT (1) | AT392861B (fr) |
| CA (1) | CA1157537A (fr) |
| DE (1) | DE3044921A1 (fr) |
| FR (1) | FR2471087A1 (fr) |
| GB (1) | GB2065395B (fr) |
| NL (1) | NL8006540A (fr) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5825746A (ja) * | 1981-08-10 | 1983-02-16 | Fujitsu Ltd | 搬送波再生回路 |
| JPS5869125A (ja) * | 1981-10-20 | 1983-04-25 | Fuji Electric Co Ltd | 水晶発振器を用いた可変周波数発振器 |
| GB2117198A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| US4590602A (en) * | 1983-08-18 | 1986-05-20 | General Signal | Wide range clock recovery circuit |
| JPS6067556U (ja) * | 1983-10-14 | 1985-05-14 | ヤマハ株式会社 | クロツク再生回路 |
| US4590440A (en) * | 1984-07-06 | 1986-05-20 | American Microsystems, Inc. | Phase locked loop with high and/or low frequency limit detectors for preventing false lock on harmonics |
| DE3514155A1 (de) * | 1985-04-19 | 1986-10-23 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Verfahren und einrichtung zur regelung des tastverhaeltnisses wenigstens eines elektrischen signals |
| JPS63500699A (ja) * | 1985-08-08 | 1988-03-10 | ネットワ−ク・サテライト・ペ−ジング・パ−トナ−ズ・リミテッド | 全国域無線ペ−ジングシステム用走査受信機 |
| JPS6372204A (ja) * | 1986-09-12 | 1988-04-01 | Matsushita Electric Ind Co Ltd | 電圧制御発振器の変調感度補正回路 |
| DE3722328A1 (de) * | 1987-07-07 | 1989-01-19 | Broadcast Television Syst | Schaltungsanordnung zur gewinnung eines taktsignals |
| DE3820477A1 (de) * | 1988-06-16 | 1989-12-21 | Thomson Brandt Gmbh | Phasenregelkreis |
| US5157355A (en) * | 1988-09-13 | 1992-10-20 | Canon Kabushiki Kaisha | Phase-locked loop device having stability over wide frequency range |
| AU619708B1 (en) * | 1990-06-22 | 1992-01-30 | Fujitsu Limited | Toner |
| US5247700A (en) * | 1990-11-16 | 1993-09-21 | Universal Cellular, Inc. | Cellular telephone with pager |
| DE4409014A1 (de) * | 1994-03-16 | 1995-09-21 | Siemens Ag | Phasenregelschleife mit zusätzlichem Frequenzdiskriminator |
| US5559473A (en) * | 1994-06-23 | 1996-09-24 | At&T Global Information Solutions Company | Multi-range voltage controlled oscillator |
| US5477198A (en) * | 1994-06-23 | 1995-12-19 | At&T Global Information Solutions Company | Extendible-range voltage controlled oscillator |
| AUPM972594A0 (en) * | 1994-11-28 | 1994-12-22 | Curtin University Of Technology | Steered frequency phase locked loop |
| DE69618524T2 (de) * | 1995-10-13 | 2002-06-06 | Pioneer Electronic Corp | Empfänger und Abstimmschaltung mit einem Frequenzsynthetisierer dafür |
| US5748050A (en) | 1996-03-29 | 1998-05-05 | Symbios Logic Inc. | Linearization method and apparatus for voltage controlled oscillator |
| US6172571B1 (en) | 1998-07-28 | 2001-01-09 | Cypress Semiconductor Corp. | Method for reducing static phase offset in a PLL |
| US7777541B1 (en) | 2006-02-01 | 2010-08-17 | Cypress Semiconductor Corporation | Charge pump circuit and method for phase locked loop |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3703686A (en) * | 1971-09-17 | 1972-11-21 | Hekimian Laboratories Inc | Phase lock loop and frequency discriminator employed therein |
| US4069462A (en) * | 1976-12-13 | 1978-01-17 | Data General Corporation | Phase-locked loops |
| US4191976A (en) * | 1978-09-26 | 1980-03-04 | Data General Corporation | Circuit indicating phase relationship |
-
1980
- 1980-11-27 GB GB8038131A patent/GB2065395B/en not_active Expired
- 1980-11-28 FR FR8025373A patent/FR2471087A1/fr active Granted
- 1980-11-28 US US06/211,112 patent/US4388596A/en not_active Expired - Lifetime
- 1980-11-28 DE DE19803044921 patent/DE3044921A1/de active Granted
- 1980-12-01 AT AT5855/80A patent/AT392861B/de not_active IP Right Cessation
- 1980-12-01 NL NL8006540A patent/NL8006540A/nl not_active Application Discontinuation
- 1980-12-01 CA CA000365872A patent/CA1157537A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ATA585580A (de) | 1990-11-15 |
| FR2471087A1 (fr) | 1981-06-12 |
| GB2065395A (en) | 1981-06-24 |
| FR2471087B1 (fr) | 1984-01-13 |
| AT392861B (de) | 1991-06-25 |
| NL8006540A (nl) | 1981-07-01 |
| GB2065395B (en) | 1983-07-06 |
| CA1157537A (fr) | 1983-11-22 |
| DE3044921A1 (de) | 1981-06-11 |
| US4388596A (en) | 1983-06-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN |